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Systematics of Pholidobolus lizards (Squamata, Gymnophthalmidae) from southern Ecuador, with descriptions of four new species

by: Parra, Vanessa; Nunes, Pedro M. Sales; Torres-Carvajal, Omar

Publication date: 2020-7-29
Usage: Attribution 4.0 International
Topics: Andes, Cordillera del Cóndor, diversity, phylogeny, taxonomy
Publisher: Pensoft Publishers
Collection: biodiversity
Contributor: Pensoft Publishers
Language: English
Rights: https://biodiversitylibrary.org/permissions
Rights-holder: Copyright held by individual article author(s).
Volume: 954
Item Size: 44.9M

Abstract: Four new species of Pholidobolus lizards are described from poorly explored areas in the Andes of southern Ecuador based on morphological and genetic evidence. Among other morphological characters, Pholidobolus sameksp. nov. and P. condorsp. nov. differ from their congeners in having green dorsolateral stripes on head. Males of P. condorsp. nov. differ from those of P. sameksp. nov. in having reddish flanks and venter. P. dolichoderessp. nov. is distinguished by having a long neck, with more scales between orbit and tympanum, whereas P. fascinatussp. nov. is distinguished by lacking enlarged medial scales on collar and a conspicuous vertebral stripe. In addition, the phylogenetic position of the new species is inferred using DNA sequences of mitochondrial and nuclear genes. The phylogeny supports strongly monophyly of each of the new species and renders P. macbrydei paraphyletic and split into six subclades. Available data suggest that the new species have restricted distribution ranges (< 100 km2 each), and it is proposed that their classification be as Data Deficient or Critically Endangered species. The results reveal unexpected levels of diversity within Pholidobolus in the Andes of southern Ecuador and highlight the importance of improving scientific collections and conservation efforts in this area.
Addeddate: 2025-03-21 15:33:22
Bhl_virtual_titleid: 210914
Bhl_virtual_volume: v.954 (2020)
Call number: 10_3897_zookeys_954_50667
Call-number: 10_3897_zookeys_954_50667
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Genre: article
Identifier: systematicsphol954parr
Identifier-ark: ark:/13960/s26kbt8zqs6
Identifier-bib: 10_3897_zookeys_954_50667
Identifier-doi: 10.3897/zookeys.954.50667
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Pages: 48
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Possible copyright status: In copyright. Digitized with the permission of the rights holder.
Ppi: 300
Source: ZooKeys 954
Year: 2020